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post #1 of 25 Old 06-26-2018, 05:24 AM - Thread Starter
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Speaker Wire Questions

HI all, I'm looking for speaker wire on monoprice.com and noticed one with 4 conductors instead of 2. click on the link to see it and click on the 4 button. why would someone use this? what's it used for?

https://www.monoprice.com/product?p_id=2817

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post #2 of 25 Old 06-26-2018, 05:36 AM
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1. Running one cable in wall to a wall plate that provides audio power to two speakers.
2. Having one cable for biamplifying a speaker.

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post #3 of 25 Old 06-26-2018, 05:44 AM - Thread Starter
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ok thanks

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post #4 of 25 Old 06-26-2018, 05:59 AM
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Quote:
Originally Posted by velocci View Post
HI all, I'm looking for speaker wire on monoprice.com and noticed one with 4 conductors instead of 2. click on the link to see it and click on the 4 button. why would someone use this? what's it used for?

https://www.monoprice.com/product?p_id=2817
It can be used for bi-wiring or bi-amping of speakers. Sometimes the wires are combined in pairs, two pairs, to increase the AWG size.

In this specific case the wire is CL2 rated which means it meets the requirements of the US National Electric Code for fire resistance cable jacket in-wall installation for low-voltage applications. CL2 is designed to protect against voltage surges of up to 150 volts and CL3 is designed to protect against voltage surges of up to 300 volts.

The more common use for 4 conductor wire is to allow you to pull a single cable to support 2 different speakers or 2 circuits as opposed to pulling 2 cables for the same connection. It is also used to pull a single 2 circuit cable to a room volume control or speaker wall plate where single left and right channel wires split for their respective speakers.

So, this is an in-wall rated cable designed to support a pair of speakers or 2 independent circuits.
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post #5 of 25 Old 06-26-2018, 06:10 AM - Thread Starter
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is that speaker cable with 2 conductors good? because of shipping to Canada its costing me double the price. is it worth it?

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post #6 of 25 Old 06-26-2018, 06:27 AM
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Quote:
Originally Posted by velocci View Post
is that speaker cable with 2 conductors good? because of shipping to Canada its costing me double the price. is it worth it?
Monoprice makes fine speaker cable.

You should sleep well buying them & not spending 100’s or 1,000’s of dollars on cables.

You can also look at Blue Jeans Cable & Sewell

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post #7 of 25 Old 06-26-2018, 07:28 AM - Thread Starter
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Quote:
Originally Posted by DaBateman View Post
Monoprice makes fine speaker cable.

You should sleep well buying them & not spending 100’s or 1,000’s of dollars on cables.

You can also look at Blue Jeans Cable & Sewell
blue jeans and sewell are even more expensive though.

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post #8 of 25 Old 06-26-2018, 07:30 AM
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Quote:
Originally Posted by velocci View Post
blue jeans and sewell are even more expensive though.
Yes I’m aware.

They’re all good quality.

Some people like to spend extra money for no other reason than to spend extra money.

But if you want a quality made product at a reasonable price Monoprice is great.

Not just speaker cables, HDMI, optical, etc.

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post #9 of 25 Old 06-26-2018, 11:26 AM
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Belden 5000 series 10 or 12 gauge from Parts Express, better price than BJC though I like the sonic weld termination from BJC for short runs.
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post #10 of 25 Old 06-26-2018, 12:45 PM
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Quote:
Originally Posted by velocci View Post
is that speaker cable with 2 conductors good? because of shipping to Canada its costing me double the price. is it worth it?
Cheaper to buy from a Canadian site:

https://www.amazon.ca/Monoprice-Acce...g+speaker+wire

or if you prefer Newegg

https://www.newegg.ca/Product/Produc...-103-_-Product
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post #11 of 25 Old 07-02-2018, 05:14 AM - Thread Starter
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The amazon link is for 100 feet. I need the 250 feet which is $127 on amazon. But i already bought it from monoprice anyways.

Family Room: Onkyo TX-NR 646 AVR, Polk Audio RtiA3 fronts, Polk Audio CSiA4 center, BIC America F12 sub, Polk Audio RC-65i rears
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post #12 of 25 Old 07-02-2018, 05:54 AM
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Quote:
Originally Posted by velocci View Post
The amazon link is for 100 feet. I need the 250 feet which is $127 on amazon. But i already bought it from monoprice anyways.
Your monoprice link was also for 100ft so it looked like that's what you needed.
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post #13 of 25 Old 07-02-2018, 09:05 AM - Thread Starter
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Quote:
Originally Posted by Funkeye View Post
Your monoprice link was also for 100ft so it looked like that's what you needed.
sorry about that. I clicked the 250 foot button on monoprice and assumed when I copied the link, it would be for 250 foot.

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post #14 of 25 Old 07-17-2018, 11:46 AM - Thread Starter
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damage to speaker wire

Hi all, I had speaker wires run through the walls when they were finishing my basement so I can install in-wall speakers later on. one of the wires go jammed between the drywall and wood stud and a nail went through it. the wires have the white jack around them. what would happen to the sound coming out of the speaker if the nail went through one of the wires and severed some of the copper strands in there?

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post #15 of 25 Old 07-17-2018, 11:54 AM
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"Some" is vague/relative

If it only went through one conductor's insulation, and only severed a proportionately few strands (if it's 40-strands, and it severed only 5 for example, a nail may have just shoved them apart more than severing them) then likely nothing would be noticeable (assuming you've removed the nail for prevention of other issues.) If you are running seriously high power on a long run, it might cause some heating problems, but you'd have to be pushing the amps near the limits of the run length and wire gauge, on a constant basis (not something speakers do typically). If you severed 30 out of 40 strands, I'd see about fixing/replacing that damage though. You only need one strand for sound to reach the speaker at some current level, but the fewer strands survived, the more likely you are to reach limits and have problems.
If you feel it's salvageable, get some liquid electrical tape and a straw of something to try and inject into the damaged area and provide some protection from moisture at least, but it's likely that section will corrode over time, especially if sitting as described on top of wood, which seeps moisture for years. So take that into consideration.

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post #16 of 25 Old 07-17-2018, 11:56 AM
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You didn't drill through your studs to run the wires?
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post #17 of 25 Old 07-17-2018, 12:52 PM
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Are you sure there is not any possibility that the two conductors might be shorting? Used an ohm meter to check it out?

What gauge wire? Can you visually inspect the damage?
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post #18 of 25 Old 07-17-2018, 01:22 PM - Thread Starter
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I put 4 wires in total. 2 for the surrounds and 2 in the rear. I actually tested each one and they all seem to sound the same, but who knows. that part about moisture going in make sense. when it comes time to putting in the in-wall speaker, I may shorten the wire to remove the damaged part, then get more wire and extend it. or how about if I just put electrical tape around the hole? tonight I will make a little slit through the white jacket and inspect the black and red wires inside. its 12 AWG wire. to me is seems kind of thin for 12 AWG. I got it from monoprice.

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post #19 of 25 Old 07-17-2018, 02:19 PM
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IF you are going to repair the speaker wires, do more than just wrapping with electrical tape....which over time will no longer stick tight, letting in moisture and possibly unraveling. Soldering is good, but you should use SHRINK TUBING (two layers if possible) to seal out moisture. CRIMP in-line connectors are also good, since they don't NEED to be wrapped.....but you have to make sure that the repair can be put back in place without damage [electrical tape can be used to smooth out the bumps].
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post #20 of 25 Old 07-17-2018, 03:58 PM - Thread Starter
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what kind of store would carry shrink tubing?

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post #21 of 25 Old 07-18-2018, 06:02 AM
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post #22 of 25 Old 07-18-2018, 06:37 AM - Thread Starter
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with converting to canadian $ and shipping, who knows how much I'll pay. so I basically put it on at the end of the wire and roll it up to where the damage is?

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post #23 of 25 Old 07-18-2018, 06:58 AM
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You can get heat shrink tubing in any hardware store, Canadian Tire, Rona, etc...
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post #24 of 25 Old 07-18-2018, 08:56 AM - Thread Starter
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Quote:
Originally Posted by tezster View Post
You can get heat shrink tubing in any hardware store, Canadian Tire, Rona, etc...
ah... thanks

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post #25 of 25 Old 08-17-2018, 02:20 PM
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Also any Auto Parts Store.....and Hardware Freight has VERY good prices:
https://www.harborfreight.com/catalo...+shrink+tubing


You CAN use any 'ol Blow Dryer to shrink it.....but since it's readily at hand, I simply use my Soldering Station to shrink it, mostly using the BACK, Cooler part of the heating element and much less use of the Hot Tip...which the Shrink Tubing also tolerates without melting.....

Last edited by holl_ands; 08-17-2018 at 02:25 PM.
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